/Engine/Source/Runtime/GeometryCore/Public/Image/ImageBuilder.h
Sample the image value at floating-point UV coords with Nearest sampling.
template<[EImageTilingMethod](API\Runtime\GeometryCore\Image\UE__Geometry__EImageTilingMethod) TilingMethod> PixelType NearestSampleUV ( const FVector2d & UVCoords ) const